1975 Opel Kadett vs. 1975 Renault 15
To start off, both 1975 Opel Kadett and 1975 Renault 15 were released in the same year (1975). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,289 cc (4 cylinders), 1975 Renault 15 is equipped with a bigger engine. In terms of performance, 1975 Renault 15 (59 HP @ 5500 RPM) has 12 more horse power than 1975 Opel Kadett. (47 HP @ 5600 RPM) In normal driving conditions, 1975 Renault 15 should accelerate faster than 1975 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1975 Renault 15 weights approximately 130 kg more than 1975 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1975 Renault 15 (99 Nm @ 3500 RPM) has 28 more torque (in Nm) than 1975 Opel Kadett. (71 Nm @ 3400 RPM). This means 1975 Renault 15 will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Kadett.
Compare all specifications:
| 1975 Opel Kadett | 1975 Renault 15 | |
| Make | Opel | Renault |
| Model | Kadett | 15 |
| Year Released | 1975 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 993 cc | 1289 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 47 HP | 59 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 71 Nm | 99 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 72.1 mm | 75 mm |
| Engine Stroke Size | 61 mm | 69 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 3 doors |
| Vehicle Weight | 835 kg | 965 kg |
| Vehicle Length | 3900 mm | 4270 mm |
| Vehicle Width | 1590 mm | 1640 mm |
| Vehicle Height | 1320 mm | 1320 mm |
| Wheelbase Size | 2520 mm | 2440 mm |
| Fuel Tank Capacity | 43 L | 55 L |
